Oh, I see. Pass the buck off to someone else, who has nerded up the process.
Scientifically, in that post, that person says [FONT=Arial, Helvetica, sans-serif]"[/FONT]Yeast can process sugar..." then goes on to say that yeast does not eat sugar, but rather yeast uses it for an [FONT=Arial, Helvetica, sans-serif]"[/FONT]energy source for other chemical reactions".
Let us examine this, shall we?
Yeast is a single cell organism, so I do not imagine it can "eat" anything in the same way we do. Yeast don't have mouths, or digestive tracks, or any other means to turn their "food" source into energy as us.
However, what is it we do when we eat? We process foods we "eat" into energy by chemical reactions in our bodies. In essence, isn't it the same thing?
I mean, if you want to be uber nerdy, and split hairs yeast don't eat sugar, since they don't chew, and swallow the food sources. I see it how it is, you are welcome to look at my journal post, regarding wine making. I created CO2 and alcohol with a simple mix of water, yeast, and honey. The honey is the stuff the yeast ate,.. er.. i mean..
[ROBOT VOICE] "processed for energy by a chemical reaction" [/ROBOT VOICE]